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Wed, 14 May 2025 03:28:02 +0000 Content-Type: multipart/mixed; boundary="===============2953129784285877937==" MIME-Version: 1.0 Subject: BUG #18926: PostgreSQL 17.5 produces malformed binary COPY output (`GPOCYP` instead of `PGCOPY`) across platform To: pgsql-bugs@lists.postgresql.org From: PG Bug reporting form Cc: robb@public.law Reply-To: robb@public.law, pgsql-bugs@lists.postgresql.org Date: Wed, 14 May 2025 03:27:14 +0000 Message-ID: <18926-f08e7be3ec3647f9@postgresql.org> X-Auto-Response-Suppress: All Auto-Submitted: auto-generated List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============2953129784285877937== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGhlIGZvbGxvd2luZyBidWcgaGFzIGJlZW4gbG9nZ2VkIG9uIHRoZSB3ZWJzaXRlOgoKQnVnIHJl ZmVyZW5jZTogICAgICAxODkyNgpMb2dnZWQgYnk6ICAgICAgICAgIFJvYmIgU2hlY3RlcgpFbWFp bCBhZGRyZXNzOiAgICAgIHJvYmJAcHVibGljLmxhdwpQb3N0Z3JlU1FMIHZlcnNpb246IDE3LjUK T3BlcmF0aW5nIHN5c3RlbTogICBCb3RoIFVidW50dSBhbmQgTWFjT1MKRGVzY3JpcHRpb246ICAg ICAgICAKClRoYW5rIHlvdSDigJQgdGhhdOKAmXMgYSBjcnVjaWFsIHVwZGF0ZS4gSGVyZSdzIHRo ZSByZXZpc2VkIHZlcnNpb24gb2YgdGhlCm1lc3NhZ2UgZm9yIHRoZSBgcGdzcWwtYnVnc0Bwb3N0 Z3Jlc3FsLm9yZ2AgbWFpbGluZyBsaXN0LCBub3cgcmVmbGVjdGluZwp0aGF0IHRoZSBpc3N1ZSAq KmFsc28gb2NjdXJzIG9uIFVidW50dSBpbiBwcm9kdWN0aW9uKiosIG1ha2luZyBpdCBsaWtlbHkg YQpQb3N0Z3JlU1FMIDE3LjUgdXBzdHJlYW0gYnVnIHJhdGhlciB0aGFuIGEgSG9tZWJyZXcgb3Ig QVJNLXNwZWNpZmljIGlzc3VlLgpIaSBhbGwsCkknbSBlbmNvdW50ZXJpbmcgYSBidWcgaW4gUG9z dGdyZVNRTCAxNy41IHdoZXJlIGEgYENPUFkgLi4uIFRPIFNURE9VVCBXSVRICihGT1JNQVQgYmlu YXJ5KWAgb3BlcmF0aW9uIHByb2R1Y2VzIG1hbGZvcm1lZCBvdXRwdXQ6IHRoZSBmaWxlIGJlZ2lu cyB3aXRoCmBHUE9DWVBgIGluc3RlYWQgb2YgdGhlIGV4cGVjdGVkIGBQR0NPUFlgLiBUaGlzIGJl aGF2aW9yIG9jY3VycyBjb25zaXN0ZW50bHkKYWNyb3NzIGVudmlyb25tZW50cywgaW5jbHVkaW5n OgotIG1hY09TIDE0LjQuMSBvbiBBcHBsZSBTaWxpY29uIChNMSksIFBvc3RncmVTUUwgMTcuNSBp bnN0YWxsZWQgdmlhIEhvbWVicmV3Ci0gVWJ1bnR1IDIyLjA0IGluIGEgcHJvZHVjdGlvbiBlbnZp cm9ubWVudCwgUG9zdGdyZVNRTCAxNy41IGluc3RhbGxlZCB2aWEKYXB0L3Bvc3RncmVzcWwub3Jn ClRoaXMgc3VnZ2VzdHMgdGhlIGlzc3VlIGlzIG5vdCBzcGVjaWZpYyB0byBwbGF0Zm9ybSwgQ1BV IGFyY2hpdGVjdHVyZSwgb3IKcGFja2FnZSBtYW5hZ2VyLgotLS0KIyMjIFN0ZXBzIHRvIFJlcHJv ZHVjZQoxLiBSdW4gdGhpcyBTUUwgc2NyaXB0OgpgYGBzcWwKLS0gbWluaV90ZXN0LnNxbApDUkVB VEUgVEVNUCBUQUJMRSBtMV9wc3FsX3Rlc3QgKGlkIGludCk7CklOU0VSVCBJTlRPIG0xX3BzcWxf dGVzdCBWQUxVRVMgKDEpOwpDT1BZIChTRUxFQ1QgKiBGUk9NIG0xX3BzcWxfdGVzdCkgVE8gU1RE T1VUIFdJVEggKEZPUk1BVCBiaW5hcnkpOwpgYGBgCjIuIEV4ZWN1dGU6CmBgYGJhc2gKcHNxbCB5 b3VyX2RiIC1mIG1pbmlfdGVzdC5zcWwgPiBvdXRwdXQuYmluCmhleGR1bXAgLUMgb3V0cHV0LmJp biB8IGhlYWQgLW4gMwpgYGAKMy4gT3V0cHV0IChmcm9tIGJvdGggbWFjT1MgTTEgYW5kIFVidW50 dSk6CmBgYAowMDAwMDAwMCAgNDcgNTAgNGYgNDMgNTkgNTAgZmYgMGEgIDBkIDBhIDAwIDAwIDAw IDAwIDAwIDAwCnxHUE9DWVAuLi4uLi4uLi4ufApgYGAKRXhwZWN0ZWQ6CmBgYAowMDAwMDAwMCAg NTAgNDcgNDMgNGYgNTAgNTkgMGEgZmYgIDBkIDBhIDAwIDAwIDAwIDAwIDAwIDAwCnxQR0NPUFku Li4uLi4uLi4ufApgYGAKLS0tCiMjIyBOb3RlcwoqIFRoaXMgaXNzdWUgYXBwZWFycyBpbiBib3Ro IGBwc3FsIC1jICJDT1BZIC4uLiJgIGFuZCBgcHNxbCAtZmAgZXhlY3V0aW9uCnN0eWxlcy4KKiBU aGUgc3ltcHRvbSDigJQgZmxpcHBlZCBieXRlcyBsaWtlIGBQR2Ag4oaSIGBHUGAsIGBcblx4ZmZg IOKGkiBgXHhmZlxuYCDigJQgbG9va3MKbGlrZSBhIDE2LWJpdCBieXRlIHN3YXAsIHN1Z2dlc3Rp bmcgYSBwb3NzaWJsZSBlbmRpYW5uZXNzIGJ1ZyBvcgpzZXJpYWxpemF0aW9uIGJ1Zy4KKiBUaGUg b3V0cHV0IGJyZWFrcyBhbnkgZG93bnN0cmVhbSB0b29saW5nIGV4cGVjdGluZyBhIHZhbGlkIGJp bmFyeSBDT1BZCnN0cmVhbSBhbmQgcmVzdWx0cyBpbiBlcnJvcnMgbGlrZSBgQ09QWSBmaWxlIHNp Z25hdHVyZSBub3QgcmVjb2duaXplZGAuCi0tLQojIyMgRW52aXJvbm1lbnQgSW5mbwoqKm1hY09T IChNMSBIb21lYnJldykqKjoKKiBgcHNxbCAoUG9zdGdyZVNRTCkgMTcuNSAoSG9tZWJyZXcpYAoq IGB1bmFtZSAtbWA6IGBhcm02NGAKKiBtYWNPUyAxNC40LjEgKFNvbm9tYSkKKipVYnVudHUgKHg4 NlxfNjQgcHJvZHVjdGlvbikqKjoKKiBgcHNxbCAoUG9zdGdyZVNRTCkgMTcuNSAoRGViaWFuIDE3 LjUtMS5wZ2RnMjIuMDQrMSlgCiogYHVuYW1lIC1tYDogYHg4Nl82NGAKKiBJbnN0YWxsZWQgdmlh IHBvc3RncmVzcWwub3JnIEFQVCByZXBvCi0tLQojIyMgUXVlc3Rpb25zCiogQ291bGQgdGhpcyBp bmRpY2F0ZSBhIHJlZ3Jlc3Npb24gaW4gUG9zdGdyZVNRTCAxN+KAmXMgYmluYXJ5IGBDT1BZIFRP ClNURE9VVGAgaGFuZGxpbmc/CiogSGFzIGFueW9uZSBlbHNlIHNlZW4gdGhpcyBiZWhhdmlvciBp biAxNy41PwoqIElzIHRoZXJlIGEgd29ya2Fyb3VuZCBzaG9ydCBvZiBkb3duZ3JhZGluZyBvciBz d2l0Y2hpbmcgdG8gQ1NWPwpJ4oCZbSBoYXBweSB0byBwcm92aWRlIHRlc3QgZW52aXJvbm1lbnRz LCBkdW1wcywgb3IgaGVscCBpc29sYXRlIHRoZSBwYXRjaCBpZgpuZWVkZWQuClRoYW5rcywKUm9i YiBTaGVjdGVyCltyb2JiQHB1YmxpYy5sYXddKG1haWx0bzpyb2JiQHB1YmxpYy5sYXcpCgo= --===============2953129784285877937==--